132100330031221 has 4 divisors (see below), whose sum is σ = 135670609221292. Its totient is φ = 128530050841152.

The previous prime is 132100330031213. The next prime is 132100330031227. The reversal of 132100330031221 is 122130033001231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 116877418292196 + 15222911739025 = 10810986^2 + 3901655^2 .

It is a cyclic number.

It is not a de Polignac number, because 132100330031221 - 2³ = 132100330031213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132100330031192 and 132100330031201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132100330031227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785139594980 + ... + 1785139595053.

It is an arithmetic number, because the mean of its divisors is an integer number (33917652305323).

Almost surely, 2^{132100330031221} is an apocalyptic number.

It is an amenable number.

132100330031221 is a deficient number, since it is larger than the sum of its proper divisors (3570279190071).

132100330031221 is an equidigital number, since it uses as much as digits as its factorization.

132100330031221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570279190070.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 132100330031221 its reverse (122130033001231), we get a palindrome (254230363032452).

The spelling of 132100330031221 in words is "one hundred thirty-two trillion, one hundred billion, three hundred thirty million, thirty-one thousand, two hundred twenty-one".